50 Years Later: JFK Assassination

Eager hands reach out to shake hands with President John F. Kennedy and first lady Jacqueline Kennedy as they visited San Antonio, Tex., where the president dedicated the Aerospace Medical Center at Brooks Air Force Base, Nov. 21, 1963. (AP Photo/Ted Powers)

President John F. Kennedy and first lady Jacqueline Kennedy holding bouquet, are shown upon their arrival on Air Force One in Houston, Tex., Nov. 21, 1963. With them, from left are: Vice President Lyndon B. Johnson and his wife Lady Bird Johnson; Nellie Connally, wife of Texas Gov. John Connally, and Gov. Connally. Woman at far left is unidentified. (AP Photo)

President John F. Kennedy, front, right, exits the Hotel Texas in Fort Worth, at 8:45 a.m., Nov. 22, 1963. He is on his way to greet crowds and make a speech. At right holding hat and wearing raincoat is Vice President Lyndon B. Johnson. (AP Photo)

President John F. Kennedy and his wife Jacqueline Kennedy are greeted by an enthusiastic crowd upon their arrival at Dallas Love Field, on November 22, 1963. Only a few hours later the president was assassinated while riding in an open-top limousine through the city. (AP Photo)

U.S. President John F. Kennedy and first lady Jacqueline Kennedy are riding in the backseat of an open limousine on Main Street at Ervay Street as the presidential motorcade approaches Dealey Plaza in downtown Dallas, Texas, on November 22, 1963. Only moments later the ride ends in the president's assassination. Texas Gov. John Connally, who will be wounded in the ambush attack, and his wife Nellie are seated in the limousine's jump seat. (AP Photo)

President John F. Kennedy is seen riding in motorcade approximately one minute before he was shot in Dallas, Tx., on Nov. 22, 1963. In the car riding with Kennedy are Mrs. Jacqueline Kennedy, right, Nellie Connally, left, and her husband, Gov. John Connally of Texas. (AP Photo)

Seen through the limousine's windshield as it proceeds along Elm Street past the Texas School Book Depository, President John F. Kennedy appears to raise his hand toward his head within seconds of being fatally shot in Dallas, Nov 22, 1963. Mrs. Jacqueline Kennedy holds the President's forearm in an effort to aid him. Gov. John Connally of Texas, who was in the front seat, was also shot. (AP Photo/James W. (Ike) Altgens)

President John F. Kennedy slumps down in the back seat of the Presidential limousine as it speeds along Elm Street toward the Stemmons Freeway overpass after being fatally shot in Dallas on Nov. 22, 1963. Mrs. Jacqueline Kennedy leans over the president as Secret Service agent Clinton Hill rides on the back of the car. (AP Photo/Ike Altgens)

The limousine carrying mortally wounded President John F. Kennedy races toward the hospital seconds after he was shot in Dallas, Tx., Nov. 22, 1963. With secret service agent Clinton Hill riding on the back of the car, Mrs. John Connally, wife of the Texas governor, bends over her wounded husband, and Mrs. Kennedy leans over the president. (AP Photo/Justin Newman)

Two unidentified women burst into tears outside Parkland Hospital on hearing that President John F. Kennedy died from the bullet fired by an assassin while riding in a motorcade in Dallas, Nov. 22, 1963. Gov. John Connally of Texas also shot and in serious condition. (AP Photo)

Lee Harvey Oswald sits in police custody shortly after being arrested for assassinating U.S. President John F. Kennedy in Dallas, Texas, Nov. 22, 1963. Oswald was shot and killed two days later by Jack Ruby, a local club owner, as he was being transferred to a city jail. (AP Photo)

Lee Harvey Oswald, suspected assassin of U.S. President John F. Kennedy, holds up his manacled hands at police headquarters in Dallas, Texas, where he is held for questioning, on Nov. 22, 1963. New testing on the type of ammunition used in the 1963 assassination of President John F. Kennedy raises questions about whether Lee Harvey Oswald acted alone, according to a study by researchers at Texas A&M University. (AP Photo/Ferd Kaufman)

Lt. J.C. Day of the Dallas, Texas, police crime lab holds a fingerprint record of Lee Harvey Oswald, who is formally charged with the assassination of U.S. President John F. Kennedy, on November 22, 1963. (AP Photo)

Police Lt. J.C. Day holds aloft the bolt-action rifle with telescopic sight which was allegedly used in the assassination of U.S. President John F. Kennedy, Dallas, Texas, on November 22, 1963. (AP Photo)

First Lady Jacqueline Kennedy, her dress stained with blood, stands with Attorney General Robert F. Kennedy, holding her hand, as they watch the casket of her slain husband, President John F. Kennedy, placed in an ambulance at Andrews Air Force Base, Md., near Washington, November 22, 1963. The body of the president was flown from Dallas, Texas, where he was fatally shot earlier in the day. At right are Evelyn Lincoln, glasses, and Kenneth O'Donnell of the White House staff. Mrs. Lincoln was the late president's personal secretary. (AP Photo)

The new president of the United States, Lyndon B. Johnson, speaks at Andrews Air Force Base upon his return to Washington from Dallas, where President John F. Kennedy was shot to death, Nov. 22, 1963. Beside him is new first lady, Lady Bird Johnson. (AP Photo)

Lee Harvey Oswald is shown early Nov. 23, 1963, as he stood before newsmen in a Dallas police station where he repeatedly denied that he had assassinated President Kennedy yesterday. "I did not kill President Kennedy," he said. "I did not kill anyone. I don't know what this is all about." He was brought before the newsmen just after formal charges of murder were filed against him. (AP Photo)

Lee Harvey Oswald is led down a corridor of the Dallas police station for another round of questioning in connection with the assassination of President John F. Kennedy, Nov. 23, 1963. Oswald, who denies any involvement in the shooting, is formally charged with murder. (AP Photo)

Lee Harvey Oswald, accussed assassin of President John F. Kennedy, is placed on a stretcher after being shot in the stomach in Dallas, Texas, Sunday, Nov. 24, 1963. Nightclub owner Jack Ruby shot and killed Oswald as the prisoner was being transferred through the underground garage of Dallas police headquarters. (AP Photo/David F. Smith)

Nightclub owner Jack Ruby is led through the Dallas city jail on his way to his arraignment in Dallas, Tex. on Nov. 24, 1963. Ruby was charged for the murder of Lee Harvey Oswald, the man accused with assassinating John F. Kennedy. Others are unidentified. (AP Photo)

This diagram shows how Lee Harvey Oswald, suspected assassin of Pres. John F. Kennedy, was slain while being transferred to the county jail, Nov. 24, 1963. He was brought down the elevator en route to an armored car at Commerce Street when gunned down by Jack Ruby. Oswald died a short time later in the hospital. (AP Photo)

An unidentified Roman Catholic priest kneels in prayer beside a closed, flag-draped coffin bearing the body of John Fitzgerald Kennedy, victim of an assassin, Nov. 23, 1963. The body of the 35th President of the United States lies in repose in the historic East Room of the White House. (AP Photo)

Jacqueline Kennedy and her two children, John Jr. and Caroline stand at the top steps of the Executive Mansion as the body of President John F. Kennedy is carried from the Executive Mansion to lie in state at the Capitol, Nov. 24, 1963. (AP Photo)

The caisson bearing the flag-draped coffin of President John F. Kennedy, is shown leaving the White House in procession down Pennsylvania Avenue, in Washington, en route to Arlington National Cemetery, November 25, 1963. (AP Photo)

Widow Jacqueline Kennedy, left, kneels and reaches out to touch the casket of her slain husband, John F. Kennedy, in the rotunda of the Capitol in Washington, D.C., Nov. 24, 1963. Their daughter Caroline kneels beside her. (AP Photo)

The camera is forgotten and its tearful owner is comforted by a companion as the horse-drawn caisson bearing the body of President John F. Kennedy passes on way to the Capitol, Nov. 24, 1963. (AP Photo)

Three-year-old John F. Kennedy Jr. salutes his father's casket in Washington on Nov. 25, 1963, three days after the president was assassinated in Dallas. Widow Jacqueline Kennedy, center, and daughter Caroline Kennedy are accompanied by the late president's brothers Sen. Edward Kennedy, left, and Attorney General Robert Kennedy. (AP Photo)

Mrs. Jacqueline Kennedy is seen entering St. Matthew's Roman Catholic Church with her children, Caroline and John, Jr., to attend the funeral mass for her husband John F. Kennedy in Washington, D.C., on Nov. 25, 1963. Behind them is Sen. Edward M. Kennedy of Massachusetts. (AP Photo)

President De Gaulle of France and other dignitaries salute as servicemen hold an American flag above the casket of slain President John F. Kennedy in Arlington National Cemetary, Nov 25, 1963. President Heinrich Lubke of West Germany is beside De Gaulle. West German Chancellor Ludwig Erhard is right. Undersecretary of Commerce Franklin D. Roosevelt Jr. is at upper right. (AP Photo)

Public mourners, waiting to view the flag-draped casket of the late President John F. Kennedy in the Capitol rotunda, line the sidewalk as night falls, Nov. 24, 1963. The casket of the president will be on view throughout the night until funeral services tomorrow. (AP Photo)

This is a general view inside the Washington Cathedral during a memorial service for slain President John F. Kennedy, Nov. 23, 1963. The services were sponsored by the Council of Churches of Greater Washington. Kennedy was shot by an assassin yesterday in Dallas. (AP Photo)

Kennedy family members descend steps in Washington, Nov. 25, 1963, at the funeral for President John F. Kennedy. From front to back at left are: Caroline Kennedy, Jacqueline Kennedy and John Kennedy Jr.; behind them, Robert F. Kennedy, Patricia Kennedy Lawford and her husband, Peter Lawford; Little Sydney Lawford is at left of her mother. Behind Mrs. Kennedy are Jean Kennedy Smith and her husband Stephen E. Smith. Near top are President Lyndon B. Johnson and his wife Lady Bird Johnson. Behind the vice president is the chairman of the Joint Chiefs of Staff, Maxwell D. Taylor. (AP Photo)

Jacqueline Kennedy, her children Caroline and John Jr., and Attorney General Robert F. Kennedy arrive at the Capitol in Washington, Nov. 24, 1963. They rode from the White House in a procession carrying the slain president's body to the Capitol. Behind them are President Lyndon B. Johnson and his wife Lady Bird Johnson. (AP Photo)

A general view outside St. Matthew's Cathedral in Washington, D.C., during President John F. Kennedy's funeral, with flag-draped coffin in the foreground, Nov. 25, 1963. The president's brothers can be seen behind the casket. At left is Sen. Edward M. Kennedy (D-Mass.), and at right entering limousine is Attorney General Robert F. Kennedy. (AP Photo)

Jacqueline Kennedy, widow of slain President John F. Kennedy, holds her children's hands outside St. Matthew's Cathedral in Washington, after funeral Mass for the president, Nov. 25, 1963. In front, from left: Caroline, Jacqueline and John F. Kennedy Jr. Behind them are the president's brothers, Sen. Edward M. Kennedy (D-Mass.), left, and Attorney General Robert F. Kennedy. (AP Photo)

Three-year-old John F. Kennedy Jr. strides from an automobile under guidance of Secret Service agents, to his new home in the Georgetown section of Washington, D.C., Dec. 6, 1963. The son of the assassinated president was followed by his mother and sister Caroline, seen exiting car, by several steps to the new home. (AP Photo/Bob Schutz)

Casket carrying the body of the late President John F. Kennedy is gently lifted by bearers at Arlington National Cemetery, Virginia, Nov. 25, 1963, as it reached its final resting place. Jacqueline Kennedy, in background, is followed by her husband's brothers, Robert, left, and Sen. Edward Kennedy. (AP Photo)

Servicemen stand guard over the flower-banked grave of the late President John F. Kennedy as dawn breaks at Arlington National Cemetery, Nov. 26, 1963. A white picket fence encloses the area where the president is buried. (AP Photo)